Home / 118,004.04-162,771.18-70,221.72

Finding the Fourth Proportional to 118,004.04, 162,771.18 and 70,221.72

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Solution

The fourth proportional to 118,004.04, 162,771.18 and 70,221.72 is: 96,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,004.04 : 162,771.18 = 70,221.72 : x
  2. Step 2: Convert to fraction form
    118,004.04/162,771.18 = 70,221.72/x
  3. Step 3: Cross multiply
    118,004.04x = 162,771.18 × 70,221.72
  4. Step 4: Simplify right side
    118,004.04x = 11,430,072,226.03
  5. Step 5: Solve for x
    x = 11,430,072,226.03/118,004.04
  6. Step 6: Final answer
    x = 96,861.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.